Finally, Irfanview has added support for viewing XMP metadata. Now I have to go rewrite all my commands/scripts/hot keys to remove all the stupid things I had to do to keep IPTC and XMP in sync.
I am now very happy
Irfanview version history (https://www.irfanview.com/main_history.htm)
QuoteVersion 4.65
(Release date: 2023-12-09)
...
Option to read XMP data in the IPTC dialog (thanks to Lee Thomason)
Wow. They're really late to the XMP game.
- Phil